Fixing crash in PictureLayerImpl::MarkVisibleResourcesAsRequired when low-res tiles are disabled

cc/layers/picture_layer_unittest.cc

Index: cc/layers/picture_layer_unittest.cc
diff --git a/cc/layers/picture_layer_unittest.cc b/cc/layers/picture_layer_unittest.cc
index 7342c1a7fb98644191225abe5f1aaedb4bf404b2..9ea2996a17598c3b8e3b5cfa5e825161d65b88c9 100644
--- a/cc/layers/picture_layer_unittest.cc
+++ b/cc/layers/picture_layer_unittest.cc
@@ -12,7 +12,6 @@
 #include "cc/test/fake_proxy.h"
 #include "cc/test/gpu_rasterization_settings.h"
 #include "cc/test/hybrid_rasterization_settings.h"
-#include "cc/test/impl_side_painting_settings.h"
 #include "cc/trees/occlusion_tracker.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -56,7 +55,7 @@ TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
 
     TestSharedBitmapManager shared_bitmap_manager;
     FakeLayerTreeHostImpl host_impl(
-        ImplSidePaintingSettings(), &proxy, &shared_bitmap_manager);
+        LayerTreeSettings(true), &proxy, &shared_bitmap_manager);
     host_impl.CreatePendingTree();
     scoped_ptr<FakePictureLayerImpl> layer_impl =
         FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);